ATI Radeon HD 3870 Mac Edition vs Intel Xe DG1

VS

ATI Radeon HD 3870 Mac Edition

Intel Xe DG1

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3870 Mac Edition and 4GB VRAM Xe DG1 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3870 Mac Edition 's Advantages

Larger VRAM bandwidth (72.06GB/s vs 68.26GB/s)

Intel Xe DG1 's Advantages

Boost Clock1550MHz

More VRAM (4GB vs 512GB)

320 additional rendering cores

Lower TDP (30W vs 106W)

Score

Benchmark

FP32 (float)

Radeon HD 3870 Mac Edition

0.497 TFLOPS

Xe DG1 +299%

1.984 TFLOPS

Radeon HD 3870 Mac Edition

VS

Xe DG1

Graphics Card

Jun 2008

Release Date

Unknown

Radeon R600

Generation

Xe Graphics

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

900 MHz

-

Boost Clock

1550 MHz

1126 MHz

Memory Clock

2133 MHz

Memory

512MB

Memory Size

4GB

GDDR4

Memory Type

LPDDR4X

256bit

Memory Bus

128bit

72.06GB/s

Bandwidth

68.26GB/s

Render Config

4

Compute Units

-

320

Shading Units

640

16

TMUs

40

16

ROPs

20

-

256 KB

L2 Cache

1024 KB

-

L3 Cache

16 MB

Theoretical Performance

12.43 GPixel/s

Pixel Rate

31.00 GPixel/s

12.43 GTexel/s

Texture Rate

62.00 GTexel/s

-

FP16 (half)

3.968 TFLOPS

497.3 GFLOPS

FP32 (float)

1.984 TFLOPS

99.46 GFLOPS

FP64 (double)

496.0 GFLOPS

Board Design

106W

TDP

30W

300 W

Suggested PSU

200 W

2x DVI 1x S-Video

Outputs

1x HDMI 3x DisplayPort

1x 6-pin

Power Connectors

None

Graphics Processor

RV670

GPU Name

DG1

RV670 XT (215-0708005)

GPU Variant

-

TeraScale

Architecture

Generation 12.1

TSMC

Foundry

Intel

55 nm

Process Size

10 nm

0.666 billion

Transistors

Unknown

192 mm²

Die Size

95 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (12_1)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

3.0

N/A

Vulkan

1.3

-

4.1

Shader Model

6.4

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